Alexm > wrote in

s.com:

> I have often wondered who decided that breakfast and cereal
> were married to each other. What did the multitudes eat for
> breakfast back in the 1400-1700s in London, for example?
>

Google.

http://tiny.cc/8vd7qhttp://tiny.cc/8vd7q

"History Of Breakfast In America
Chris Kimball, Of "America's Test Kitchen" And "Cook's Illustrated"
Offers A Lesson'

Photo's and Videos at above link.

Here's a timeline:
http://www.foodtimeline.org/foodfaq7.html

Gotta go to bed soon. Maybe wikipedia will have your answer.

:-)